CVE-2021-44880
9.8
CRITICAL · CVSS 3.1 · EPSS 4% (pctl 90)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
D-Link devices DIR_878 DIR_878_FW1.30B08_Hotfix_02 and DIR_882 DIR_882_FW1.30B06_Hotfix_02 were discovered to contain a command injection vulnerability in the system function. This vulnerability allows attackers to execute arbitrary commands via a crafted HNAP1 POST request.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.97% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-77 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2022-02-04 |
| Last modified | 2026-06-17 |
Affected (4)
| Vendor | Product |
|---|---|
| dlink | dir-878 |
| dlink | dir-878 firmware |
| dlink | dir-882 |
| dlink | dir-882 firmware |
References
- https://github.com/pjqwudi/my_vuln/blob/main/D-link/vuln_2/2.md
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10286
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10287
- https://www.dlink.com/en/security-bulletin/
- https://github.com/pjqwudi/my_vuln/blob/main/D-link/vuln_2/2.md
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10286
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10287
- https://www.dlink.com/en/security-bulletin/
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